diff --git a/checkout-example-advanced/package-lock.json b/checkout-example-advanced/package-lock.json
index f48c6bc..0dcc3d4 100644
--- a/checkout-example-advanced/package-lock.json
+++ b/checkout-example-advanced/package-lock.json
@@ -13,7 +13,7 @@
         "ansi-regex": "^6.1.0",
         "dot-prop": ">=9.0.0",
         "dotenv": "^16.4.5",
-        "express": "^4.21.1",
+        "express": "^4.21.2",
         "express-handlebars": "^8.0.1",
         "minimist": ">=1.2.8",
         "morgan": "^1.10.0",
@@ -774,9 +774,9 @@
       "integrity": "sha512-dX7e/LHVJ6W3DE1MHWi9S1EYzDESENfLrYohG2G++ovZrYOkm4Knwa0mc1cn84xJOR4KEU0WSchhLbd0UklbHw=="
     },
     "node_modules/express": {
-      "version": "4.21.1",
-      "resolved": "https://registry.npmjs.org/express/-/express-4.21.1.tgz",
-      "integrity": "sha512-YSFlK1Ee0/GC8QaO91tHcDxJiE/X4FbpAyQWkxAvG6AXCuR65YzK8ua6D9hvi/TzUfZMpc+BwuM1IPw8fmQBiQ==",
+      "version": "4.21.2",
+      "resolved": "https://registry.npmjs.org/express/-/express-4.21.2.tgz",
+      "integrity": "sha512-28HqgMZAmih1Czt9ny7qr6ek2qddF4FclbMzwhCREB6OFfH+rXAnuNCwo1/wFvrtbgsQDb4kSbX9de9lFbrXnA==",
       "dependencies": {
         "accepts": "~1.3.8",
         "array-flatten": "1.1.1",
@@ -797,7 +797,7 @@
         "methods": "~1.1.2",
         "on-finished": "2.4.1",
         "parseurl": "~1.3.3",
-        "path-to-regexp": "0.1.10",
+        "path-to-regexp": "0.1.12",
         "proxy-addr": "~2.0.7",
         "qs": "6.13.0",
         "range-parser": "~1.2.1",
@@ -812,6 +812,10 @@
       },
       "engines": {
         "node": ">= 0.10.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
       }
     },
     "node_modules/express-handlebars": {
@@ -2048,9 +2052,9 @@
       }
     },
     "node_modules/path-to-regexp": {
-      "version": "0.1.10",
-      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.10.tgz",
-      "integrity": "sha512-7lf7qcQidTku0Gu3YDPc8DJ1q7OOucfa/BSsIwjuh56VU7katFvuM8hULfkwB3Fns/rsVF7PwPKVw1sl5KQS9w=="
+      "version": "0.1.12",
+      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.12.tgz",
+      "integrity": "sha512-RA1GjUVMnvYFxuqovrEqZoxxW5NUZqbwKtYz/Tt7nXerk0LbLblQmrsgdeOxV5SFHf0UDggjS/bSeOZwt1pmEQ=="
     },
     "node_modules/picomatch": {
       "version": "2.3.1",
@@ -3369,9 +3373,9 @@
       "integrity": "sha512-dX7e/LHVJ6W3DE1MHWi9S1EYzDESENfLrYohG2G++ovZrYOkm4Knwa0mc1cn84xJOR4KEU0WSchhLbd0UklbHw=="
     },
     "express": {
-      "version": "4.21.1",
-      "resolved": "https://registry.npmjs.org/express/-/express-4.21.1.tgz",
-      "integrity": "sha512-YSFlK1Ee0/GC8QaO91tHcDxJiE/X4FbpAyQWkxAvG6AXCuR65YzK8ua6D9hvi/TzUfZMpc+BwuM1IPw8fmQBiQ==",
+      "version": "4.21.2",
+      "resolved": "https://registry.npmjs.org/express/-/express-4.21.2.tgz",
+      "integrity": "sha512-28HqgMZAmih1Czt9ny7qr6ek2qddF4FclbMzwhCREB6OFfH+rXAnuNCwo1/wFvrtbgsQDb4kSbX9de9lFbrXnA==",
       "requires": {
         "accepts": "~1.3.8",
         "array-flatten": "1.1.1",
@@ -3392,7 +3396,7 @@
         "methods": "~1.1.2",
         "on-finished": "2.4.1",
         "parseurl": "~1.3.3",
-        "path-to-regexp": "0.1.10",
+        "path-to-regexp": "0.1.12",
         "proxy-addr": "~2.0.7",
         "qs": "6.13.0",
         "range-parser": "~1.2.1",
@@ -4267,9 +4271,9 @@
       }
     },
     "path-to-regexp": {
-      "version": "0.1.10",
-      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.10.tgz",
-      "integrity": "sha512-7lf7qcQidTku0Gu3YDPc8DJ1q7OOucfa/BSsIwjuh56VU7katFvuM8hULfkwB3Fns/rsVF7PwPKVw1sl5KQS9w=="
+      "version": "0.1.12",
+      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.12.tgz",
+      "integrity": "sha512-RA1GjUVMnvYFxuqovrEqZoxxW5NUZqbwKtYz/Tt7nXerk0LbLblQmrsgdeOxV5SFHf0UDggjS/bSeOZwt1pmEQ=="
     },
     "picomatch": {
       "version": "2.3.1",
diff --git a/checkout-example-advanced/package.json b/checkout-example-advanced/package.json
index f09e52d..d15f7b6 100644
--- a/checkout-example-advanced/package.json
+++ b/checkout-example-advanced/package.json
@@ -16,7 +16,7 @@
     "ansi-regex": "^6.1.0",
     "dot-prop": ">=9.0.0",
     "dotenv": "^16.4.5",
-    "express": "^4.21.1",
+    "express": "^4.21.2",
     "express-handlebars": "^8.0.1",
     "minimist": ">=1.2.8",
     "morgan": "^1.10.0",